CPI CMP 200 Series Service Manual page 194

CPI Canada Inc.
3D.1.0 INTRODUCTION ..........................................................................................................................................3D-2
3D.2.0 WIRING THE AEC PICKUP DEVICE TO THE GENERATOR ...................................................................3D-2
3D.2.1 AEC Board (Solid State Chambers) .........................................................................................................3D-3
3D.2.2 AEC Board (Ion Chambers) ......................................................................................................................3D-5
3D.2.3 AEC Board (Ion Chambers) ......................................................................................................................3D-7
3D.2.4 AEC Board (5-Field Ion Chambers)..........................................................................................................3D-9
3D.2.5 Precalibration Notes ................................................................................................................................3D-11
3D.2.6 Required Test Equipment .......................................................................................................................3D-11
3D.3.0 AEC CALIBRATION (TABLE BUCKY).......................................................................................................3D-12
3D.4.0 SHORT AEC TIME COMPENSATION ......................................................................................................3D-24
3D.5.0 AEC DENSITY CALIBRATION...................................................................................................................3D-25
3D.6.0 AEC CALIBRATION (WALL BUCKY) ........................................................................................................3D-31
3D.7.0 AEC CALIBRATION (MISC) ......................................................................................................................3D-34
3D.8.0 AEC OVERVIEW AND BACKGROUND INFORMATION.........................................................................3D-35
3D.8.1 Film/Screen Response vs. kV.................................................................................................................3D-35
3D.8.2 AEC Calibration Range ...........................................................................................................................3D-36
3D.9.0 PRECALIBRATION SETUP .......................................................................................................................3D-37
3D.9.1 AEC Setup Worksheet ............................................................................................................................3D-37
3D.9.2 AEC Precalibration Checks.....................................................................................................................3D-39
3D.9.3 AEC Chamber Installation.......................................................................................................................3D-39
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CMP 200 Service Manual
CHAPTER 3D
AEC CALIBRATION
CONTENTS:
Ch # 901476-05 Rev. A
3D
AEC Calibration
Page 3D-1